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3 years ago

Write 72xy2 as a prime factorization, Show all of your work!

Mathematics

1 answer:

vampirchik [111]3 years ago

8 0

Step-by-step explanation:

72xy²

2×2×2×3×3×x×y×y

index form: 2³×3²xy²

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You can work at most 20 hours next week. You need to earn at least $90 to cover your weekly expenses. Your dog walking job pays

Vadim26 [7]

Answer:

The answer in the procedure

Step-by-step explanation:

Let

x ----> the dog walking hours

y ----> the car washing hours

we know that

The system of linear inequalities is equal to

$x+y\leq20$ -----> inequality A

$9x+10y\geq 90$ -----> inequality B

Solve the system of inequalities by graphing

The solution is the shaded area

see the attached figure

Two possible combinations of hours are

(10,10) and (0,9)

Verify

For (10,10)

Substitute the value of x and the value of y in both inequalities

Inequality A

$10+10\leq20$

$20\leq20$ -----> is true

Inequality B

$9(10)+10(10)\geq 90$

$190\geq 90$ ----> is true

therefore

(10,10) is a possible solution

For (0.9)

Substitute the value of x and the value of y in both inequalities

Inequality A

$0+9\leq20$

$9\leq20$ -----> is true

Inequality B

$9(0)+10(9)\geq 90$

$90\geq 90$ ----> is true

therefore

(0,9) is a possible solution

5 0

3 years ago

2x^2+15x+7 (box method)

RoseWind [281]

(2x+1) (x+7)

I solved it by using the FOIL method, but you get the same answer either way

4 0

3 years ago

Solve for x C. 120 2x 3x D. (2x+6) X 126

brilliants [131]

Answer:

x=32

Step-by-step explanation:

i took the test

4 0

3 years ago

Oakwood Cinema has a theater screen with a diagonal length of 66 feet. The ratio of the length to width is 19:10. What are the a

mars1129 [50]

Answer:

height = 23 ft , Width=43ft

Step-by-step explanation:

Step one:

Given data

Diagonal = 66ft

Aspect ratio= 19:10

From the formulas below, we can find the dimensions of the theater screen

height = diagonal / √ (AR²+1)

where AR is the aspect ratio

Step two:

height = 66 / √ ((19/10)² + 1) =

height = 66 / 2.9

height = 23 ft

Step three:

Also,

width = AR * height

width = (19/10) * 22.75

width =1.9* 22.75

Width=43ft

3 0

3 years ago

A scientist uses 20 grams of carbon every 10 minutes during an experiment. If the experiment lasted 2 hours, how many total kilo

viva [34]

240 grams or 0.24 kilograms I think

6 0

4 years ago

Read 2 more answers

Write 72xy2 as a prime factorization, Show all of your work!​

Write 72xy2 as a prime factorization, Show all of your work!